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Volume 24(5);  May 1938
The cover of the journal
Bacteriology
Note on Estimating Bacterial Populations by the Dilution Method
Robert Dean Gordon
Proc Natl Acad Sci U S A. 1938 May; 24(5): 212–215.
PMCID: PMC1077074
Chemistry
Measurements of Resistance and Capacity of Monofilms of Barium Stearate
C. E. Buchwald, D. M. Gallagher, C. P. Haskins, E. M. Thatcher, and P. A. Zahl
Proc Natl Acad Sci U S A. 1938 May; 24(5): 204–208.
PMCID: PMC1077072
Genetics
Translocation in Relation to Mosaic Formation in Maize
Donald F. Jones
Proc Natl Acad Sci U S A. 1938 May; 24(5): 208–211.
PMCID: PMC1077073
Mathematics
Relative Numbers of Operators and Subgroups of a Finite Group
G. A. Miller
Proc Natl Acad Sci U S A. 1938 May; 24(5): 199–201.
PMCID: PMC1077070
Minimum Degree of Substitutions of Highest Degree in a Group
G. A. Miller
Proc Natl Acad Sci U S A. 1938 May; 24(5): 202–204.
PMCID: PMC1077071
Physics
The Relations Between Stefan's Radiation Law, Nernst's Heat Theorem and Maxwell's Formula for the Radiation Pressure
Eugene Guth and Arthur E. Haas
Proc Natl Acad Sci U S A. 1938 May; 24(5): 224–227.
PMCID: PMC1077077
Physiology
Temperature and the Critical Intensity for Response to Visual Flicker
W. J. Crozier, Ernst Wolf, and Gertrud Zerrahn-Wolf
Proc Natl Acad Sci U S A. 1938 May; 24(5): 216–221.
PMCID: PMC1077075
Specific Constants for Visual Excitation: II
W. J. Crozier, Ernst Wolf, and Gertrud Zerrahn-Wolf
Proc Natl Acad Sci U S A. 1938 May; 24(5): 221–224.
PMCID: PMC1077076
Journal Matter
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